Comparison
Regenerated Cellulose Transparent M vs PETG
A side-by-side comparison of Regenerated Cellulose, Transparent Grade M and Polyethylene Terephthalate Glycol.
Physical
Density
1.45 g/cm³
1.27 g/cm³
Water Absorption (24h)
10.0 %
0.13 %
Transparency
Exceptional
Transparent
Shrinkage
5.0 - 10.0 %
0.2 – 0.5 %
Mechanical
Young's Modulus
10 GPa
2.1 GPa
Tensile Strength
100 MPa
50 MPa
Elongation at Break
2.0 %
120 %
Impact Strength (Izod)
0.05 J/cm
100 J/m
Flexural Strength
—
70 MPa
Thermal
Glass Transition Temperature
100-150 °C
80 °C
Melting Point
None (decomposes)
—
Continuous Service Temperature
60 °C
65 °C
Heat Deflection Temperature
60 °C
70 °C
CTE
—
68 × 10⁻⁶ /K
Electrical
Dielectric Constant
6.0
3.3
Volume Resistivity
10¹⁰ Ω·cm
10¹⁴ Ω·cm
Dielectric Strength
20 kV/mm
—
Chemical resistance
Acids
Good resistance
Good
Bases
Good resistance
Fair
Solvents
Insoluble in common organic solvents, but sensitive to moisture
—
UV Resistance
Moderate
Fair
Alcohols
—
Good
Oils
—
Good
Sustainability
Recyclability
Biodegradable (compost)
Recyclable
Recycling Code
7 (Other)
1
Carbon Footprint
Moderate
~2.7 kg CO₂e / kg
Bio-based Content
—
0 %